Series exploring topical scientific issues and their effects for the future
- Programmes:
- on BBC iPlayer (6)
- coming up (2)

Series exploring topical scientific issues and their effects for the future
Watch now (60 minutes)
Available since Wednesday with 2 months left.
Looking at discoveries which suggest ageing is something flexible that can be manipulated.
Watch now (60 minutes)
Available since Wed, 20 Jan 2010 with 2 months left.
How much is really known about the medicines we take, and can they be trusted to work?
Watch now (60 minutes)
Available since Wed, 13 Jan 2010 with 2 months left.
Horizon follows researchers attempting to unravel the many secrets of viruses.
Watch now (59 minutes)
Available since Fri, 8 Jan 2010 with 18 days left.
Sir David Attenborough investigates whether the world faces a population crisis.
Watch now (60 minutes)
Available since Wed, 6 Jan 2010 with 2 months left.
How research into dogs is giving scientists a greater understanding of human behaviour.
See all 6 programmes available now.
Have a look at the old Horizon web pages to watch clips and interviews from previous programmes
See all 2 programmes coming up in the next 7 days.
Find related BBC Two programmes.